issue_comments: 210697873

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https://github.com/pydata/xarray/issues/825#issuecomment-210697873 https://api.github.com/repos/pydata/xarray/issues/825 210697873 MDEyOklzc3VlQ29tbWVudDIxMDY5Nzg3Mw== 1217238 2016-04-16T00:34:42Z 2016-04-16T00:34:42Z MEMBER

This keeps coming up, but I don't know what the obvious solution is.

We certainly could add an option that would change the default for keep_attrs to True for every operation. Then you could write xr.set_options(keep_attrs=True) at the top of your scripts to guarantee that metadata is preserved.

When merging datasets, concat and merge currently just take attributes from the first argument. We could imagine adding options for more sophisticated attribute merge strategies (e.g., join all non-conflicting attributes).

 
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